Looking at it now it seems that you would not be able to build for just one driver, two is possible. How much power do you have?
i'd say plenty, i give them 250 watts rms each, i was hoping for a single driver so i dont have to have a massive box 🙁
Well there is no free lunch. I think 2 in ~71l is OK considering you have a 50l box?
Code:
ID=28.80
Ang=2.0 x Pi
Eg=2.83
Rg=0.00
Fta=-0.29
S1=275.00
S2=270.13
Par=19.50
F12=0.00
S2=270.13
S3=205.24
Par=260.00
F23=0.00
S3=205.24
S4=200.00
Par=21.00
F34=0.00
S4=0.00
S5=0.00
L45=0.00
F45=0.00
Sd=214.00
Bl=12.89
Cms=2.51E-04
Rms=3.36
Mmd=113.38
Le=1.64
Re=3.49
TH=2S
Vrc=0.00
Lrc=0.00
Ap1=0.00
Lpt=0.00
Vtc=0.00
Atc=0.00
Pmax=100
Xmax=5.0
Comment=NEW RECORD - JBL GTO804the current box for the two jbl's in 1.33 cubes, slot ported at 35hertz, but i had to stuff it and i still get port noise, and it isnt loud on the lows
what do you mean "no free lunch" lol ?
what do you mean "no free lunch" lol ?
ive just recieved this from a youtube subscriber, jbl gto804 t-line by 2009thread1 - Google 3D Warehouse
he designed it to the specs of the jbl, but still i'd prefer a tapped horn or should i try and stear onto something different for this subwoofer ?
he designed it to the specs of the jbl, but still i'd prefer a tapped horn or should i try and stear onto something different for this subwoofer ?
+1 on that. I've measured the 13kv and the 13Ov - nowhere near measured specs. Looks like they gave you a different excuse than they gave me. See http://forum.edesignaudio.com/showthread.php/13kv-2-d4-questions-55280p2.html
Compact - Lower - High Power
I always liked the sound of a good 8"; compact is nice also. As far as goals: lower; I don't need to play it loud, although HT action scenes (explosions)can bottom-out, ruin a driver, so want to keep that in mind.
Yes, Doug here.
I always liked the sound of a good 8"; compact is nice also. As far as goals: lower; I don't need to play it loud, although HT action scenes (explosions)can bottom-out, ruin a driver, so want to keep that in mind.
Yes, Doug here.
when i play movies, i run 2.1 stereo
i have a denon pma710ae stereo amplifier with q acoustics 2020 speaker in gloss black and my 500 watt power amplifier, i never bottom the subs out even in movie scenes, but i mainly listen to dubstep, drum and bass with lots of lows and a sinle 8" in a room my size is ample, two just rumbles the floor and everything else around me
i have a denon pma710ae stereo amplifier with q acoustics 2020 speaker in gloss black and my 500 watt power amplifier, i never bottom the subs out even in movie scenes, but i mainly listen to dubstep, drum and bass with lots of lows and a sinle 8" in a room my size is ample, two just rumbles the floor and everything else around me
Hi 2009thread1,
Do you have any idea on a preferred size? When I simulate a TH (for a single JBL GTO804D) in Hornresp I get something around 95/110 L_net. For a tapped horn with a long folded horn path that may mean 125/130 L_gross. Your preferred external size will determine the folding.
Regards,
Do you have any idea on a preferred size? When I simulate a TH (for a single JBL GTO804D) in Hornresp I get something around 95/110 L_net. For a tapped horn with a long folded horn path that may mean 125/130 L_gross. Your preferred external size will determine the folding.
Regards,
if i can get it out of one sheet of mdf that would do, if it needs to be big for the sound i should be able to fit in somewhere
if you can sketch it up and email it to me on google sketchup i'd really appreciate it
if you can sketch it up and email it to me on google sketchup i'd really appreciate it
P2D28 8"
Just had thought, I have a couple of these unused.
Rockford Fosgate
Fs (Hz): 40.0
Re (Ohms): 3.50
Le (mH): 2.5
Qts: 0.45
Qes: 0.48
Qms: 6.00
Cms (m/N): 0.18
Vas (L): 10.0
Mms (g): 88.5
Mmd (g): 86.9
Rms (kg/s): 3.7
Airload (g): 1.6
SPL (dB - 1W/1M): 84.0
BL (T*M): 13.0
Woofer Displacement: 0.85 0.030 liters | cubic ft
Power Rating: 200 400 RMS | Peak
Linear Excursion, pk-pk (Xmax): 0.315 8.0 inches | mm
Sd (cm2): 200
Just had thought, I have a couple of these unused.
Rockford Fosgate
Fs (Hz): 40.0
Re (Ohms): 3.50
Le (mH): 2.5
Qts: 0.45
Qes: 0.48
Qms: 6.00
Cms (m/N): 0.18
Vas (L): 10.0
Mms (g): 88.5
Mmd (g): 86.9
Rms (kg/s): 3.7
Airload (g): 1.6
SPL (dB - 1W/1M): 84.0
BL (T*M): 13.0
Woofer Displacement: 0.85 0.030 liters | cubic ft
Power Rating: 200 400 RMS | Peak
Linear Excursion, pk-pk (Xmax): 0.315 8.0 inches | mm
Sd (cm2): 200
Hi 2009thread1,
The sketchup TL looks like 72.38 L_gross, that is a lot smaller. But which one is better? 🙂
Regards,
The sketchup TL looks like 72.38 L_gross, that is a lot smaller. But which one is better? 🙂
Regards,
i live in the uk so buying from america will be expensive, how would the rockford fosgates hold out on 250 watts rms ?
ive never heard a t-line before, but from videos they're really loud on the lows, but ive never heard an 8" tapped horn before
🙄 Don't be looking at me - your the one with AutoCAD
It's not like you need AutoCAD to get good looking output either:
An externally hosted image should be here but it was not working when we last tested it.
Go have a look and VOTE
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